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132 lines
5.2 KiB
Python
132 lines
5.2 KiB
Python
# -*- coding: utf-8 -*-
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"""
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***************************************************************************
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TauDEMAlgorithm.py
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---------------------
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Date : October 2012
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Copyright : (C) 2012 by Alexander Bruy
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Email : alexander dot bruy at gmail dot com
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***************************************************************************
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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* *
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***************************************************************************
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"""
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__author__ = 'Alexander Bruy'
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__date__ = 'October 2012'
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__copyright__ = '(C) 2012, Alexander Bruy'
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# This will get replaced with a git SHA1 when you do a git archive
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__revision__ = '$Format:%H$'
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import os
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from PyQt4.QtCore import *
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from PyQt4.QtGui import *
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from qgis.core import *
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from processing.core.GeoAlgorithm import GeoAlgorithm
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from processing.core.ProcessingLog import ProcessingLog
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from processing.tools.system import *
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from processing.core.ProcessingConfig import ProcessingConfig
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from processing.core.GeoAlgorithmExecutionException import GeoAlgorithmExecutionException
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from processing.parameters.ParameterFactory import ParameterFactory
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from processing.parameters.ParameterRaster import ParameterRaster
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from processing.parameters.ParameterVector import ParameterVector
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from processing.parameters.ParameterBoolean import ParameterBoolean
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from processing.parameters.ParameterString import ParameterString
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from processing.parameters.ParameterNumber import ParameterNumber
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from processing.outputs.OutputFactory import OutputFactory
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from processing.outputs.OutputRaster import OutputRaster
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from processing.outputs.OutputVector import OutputVector
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from processing.outputs.OutputFile import OutputFile
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from processing.taudem.TauDEMUtils import TauDEMUtils
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class TauDEMAlgorithm(GeoAlgorithm):
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def __init__(self, descriptionfile):
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GeoAlgorithm.__init__(self)
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self.descriptionFile = descriptionfile
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self.defineCharacteristicsFromFile()
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def getCopy(self):
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newone = TauDEMAlgorithm(self.descriptionFile)
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newone.provider = self.provider
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return newone
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def getIcon(self):
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return QIcon(os.path.dirname(__file__) + "/../images/taudem.png")
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def defineCharacteristicsFromFile(self):
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lines = open(self.descriptionFile)
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line = lines.readline().strip("\n").strip()
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self.name = line
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line = lines.readline().strip("\n").strip()
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self.cmdName = line
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line = lines.readline().strip("\n").strip()
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self.group = line
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while line != "":
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try:
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line = line.strip("\n").strip()
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if line.startswith("Parameter"):
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param = ParameterFactory.getFromString(line)
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self.addParameter(param)
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else:
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self.addOutput(OutputFactory.getFromString(line))
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line = lines.readline().strip("\n").strip()
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except Exception, e:
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ProcessingLog.addToLog(ProcessingLog.LOG_ERROR, "Could not load TauDEM algorithm: " + self.descriptionFile + "\n" + line)
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raise e
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lines.close()
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def processAlgorithm(self, progress):
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commands = []
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commands.append(os.path.join(TauDEMUtils.mpiexecPath(), "mpiexec"))
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processNum = ProcessingConfig.getSetting(TauDEMUtils.MPI_PROCESSES)
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if processNum <= 0:
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raise GeoAlgorithmExecutionException("Wrong number of MPI processes used.\nPlease set correct number before running TauDEM algorithms.")
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commands.append("-n")
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commands.append(str(processNum))
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commands.append(os.path.join(TauDEMUtils.taudemPath(), self.cmdName))
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for param in self.parameters:
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if param.value == None or param.value == "":
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continue
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if isinstance(param, ParameterNumber):
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commands.append(param.name)
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commands.append(str(param.value))
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if isinstance(param, (ParameterRaster, ParameterVector)):
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commands.append(param.name)
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commands.append(param.value)
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elif isinstance(param, ParameterBoolean):
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if param.value and str(param.value).lower() == "false":
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commands.append(param.name)
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elif isinstance(param, ParameterString):
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commands.append(param.name)
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commands.append(str(param.value))
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for out in self.outputs:
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commands.append(out.name)
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commands.append(out.value)
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loglines = []
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loglines.append("TauDEM execution command")
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for line in commands:
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loglines.append(line)
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ProcessingLog.addToLog(ProcessingLog.LOG_INFO, loglines)
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TauDEMUtils.executeTauDEM(commands, progress)
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#def helpFile(self):
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# return os.path.join(os.path.dirname(__file__), "help", self.cmdName + ".html")
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